Pith Number

pith:NKSQRB2N

pith:1999:NKSQRB2NP7TXOJFIHOLT4LA3RG

not attested not anchored not stored refs pending

Integrable open supersymmetric U model with boundary impurity

A. Foerster, I. Roditi, J.R. Links, K.E. Hibberd

arxiv:cond-mat/9907315 v2 · 1999-07-21 · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKSQRB2NP7TXOJFIHOLT4LA3RG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:13:04.099675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa508874d7fe77724a83b973e2c1b89b55c149eb5432aa2c3ce11e623d640bd

Aliases

arxiv: cond-mat/9907315 · arxiv_version: cond-mat/9907315v2 · doi: 10.48550/arxiv.cond-mat/9907315 · pith_short_12: NKSQRB2NP7TX · pith_short_16: NKSQRB2NP7TXOJFI · pith_short_8: NKSQRB2N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NKSQRB2NP7TXOJFIHOLT4LA3RG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6aa508874d7fe77724a83b973e2c1b89b55c149eb5432aa2c3ce11e623d640bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51d0f383e88c22a4806fd963cb5b22046be0f376e7fd265ea8a6388005e408b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "1999-07-21T03:11:08Z",
    "title_canon_sha256": "0d4b742f0f837db64738df214c252c2d745c5f53e092592a2d81a1086e547d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9907315",
    "kind": "arxiv",
    "version": 2
  }
}